kolibrios/programs/develop/open watcom/trunk/clib/math/randnext.h
Sergey Semyonov (Serge) 43bd1e645f Clib char & math functions
git-svn-id: svn://kolibrios.org@554 a494cfbc-eb01-0410-851d-a64ba20cac60
2007-06-26 11:19:49 +00:00

60 lines
2.3 KiB
C

/****************************************************************************
*
* Open Watcom Project
*
* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
* ========================================================================
*
* This file contains Original Code and/or Modifications of Original
* Code as defined in and that are subject to the Sybase Open Watcom
* Public License version 1.0 (the 'License'). You may not use this file
* except in compliance with the License. BY USING THIS FILE YOU AGREE TO
* ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
* provided with the Original Code and Modifications, and is also
* available at www.sybase.com/developer/opensource.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
* NON-INFRINGEMENT. Please see the License for the specific language
* governing rights and limitations under the License.
*
* ========================================================================
*
* Description: WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
* DESCRIBE IT HERE!
*
****************************************************************************/
#include "variety.h"
#define _INITRANDNEXT(p)
#if defined(__OS2__) || defined(__NT__) || defined(__NETWARE__)
// OS/2, NT and NETWARE versions are identical
// note that NETWARE is always multi-threaded
#if defined(__SW_BM)
#include "thread.h"
#if 0
// who ever allocates the thread_data should initialize __randnext
if( __THREADDATAPTR->__randnextinit == 0 ) { \
__THREADDATAPTR->__randnextinit = 1; \
__THREADDATAPTR->__randnext = 1; \
}
#endif
#define _RANDNEXT (__THREADDATAPTR->__randnext)
#else
static unsigned long int next = 1;
#define _RANDNEXT next
#endif
#else
static unsigned long int next = 1;
#define _RANDNEXT next
#endif